Test Details

Use

Limitations

Methodology

Specimen Requirements

Specimen

Serum (preferred) or plasma

Volume

1 mL

Minimum Volume

0.3 mL (Note: This volume does not allow for repeat testing.)

Container

Gel-barrier tube, red-top tube, or lavender-top (EDTA) tube

Collection

Serum or plasma must be separated from cells within 45 minutes of venipuncture. Submit specimen in a plastic transport tube. Freeze plastic transport tube (preferred) or refrigerate. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.

Storage Instructions

Freeze (preferred) or refrigerate. Stable at room temperature for one day or refrigerated for seven days. Stable for 348 days frozen. Freeze/thaw cycles: x6.